748631970 has 64 divisors (see below), whose sum is σ = 2021057280. Its totient is φ = 199629360.

The previous prime is 748631969. The next prime is 748631971. The reversal of 748631970 is 79136847.

748631970 is a `hidden beast` number, since 7 + 4 + 8 + 631 + 9 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (748631969) and next prime (748631971).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (748631971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4755 + ... + 38985.

It is an arithmetic number, because the mean of its divisors is an integer number (31579020).

Almost surely, 2^748631970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748631970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010528640).

748631970 is an abundant number, since it is smaller than the sum of its proper divisors (1272425310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748631970 is an equidigital number, since it uses as much as digits as its factorization.

748631970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34259 (or 34241 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 748631970 is about 27361.1397788908. The cubic root of 748631970 is about 908.0075434242.

The spelling of 748631970 in words is "seven hundred forty-eight million, six hundred thirty-one thousand, nine hundred seventy".