748015920 has 120 divisors (see below), whose sum is σ = 2542556016. Its totient is φ = 197051904.

The previous prime is 748015907. The next prime is 748015927. The reversal of 748015920 is 29510847.

748015920 is a `hidden beast` number, since 7 + 480 + 159 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×748015920³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (748015927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53502 + ... + 66018.

Almost surely, 2^748015920 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 748015920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271278008).

748015920 is an abundant number, since it is smaller than the sum of its proper divisors (1794540096).

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

748015920 is a wasteful number, since it uses less digits than its factorization.

748015920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12619 (or 12610 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 748015920 is about 27349.8797072309. The cubic root of 748015920 is about 907.7584083007.

The spelling of 748015920 in words is "seven hundred forty-eight million, fifteen thousand, nine hundred twenty".