748647816 has 128 divisors (see below), whose sum is σ = 2187924480. Its totient is φ = 209062656.

The previous prime is 748647811. The next prime is 748647829. The reversal of 748647816 is 618746847.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (748647811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2554966 + ... + 2555258.

It is an arithmetic number, because the mean of its divisors is an integer number (17093160).

Almost surely, 2^748647816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748647816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093962240).

748647816 is an abundant number, since it is smaller than the sum of its proper divisors (1439276664).

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

748647816 is a wasteful number, since it uses less digits than its factorization.

748647816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 748647816 is about 27361.4293486287. The cubic root of 748647816 is about 908.0139498591.

The spelling of 748647816 in words is "seven hundred forty-eight million, six hundred forty-seven thousand, eight hundred sixteen".