738512720 has 80 divisors (see below), whose sum is σ = 1881897408. Its totient is φ = 267294720.

The previous prime is 738512717. The next prime is 738512737. The reversal of 738512720 is 27215837.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197912 + ... + 201608.

Almost surely, 2^738512720 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 738512720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940948704).

738512720 is an abundant number, since it is smaller than the sum of its proper divisors (1143384688).

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

738512720 is a wasteful number, since it uses less digits than its factorization.

738512720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3942 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 738512720 is about 27175.5905179630. The cubic root of 738512720 is about 903.8977943292.

The spelling of 738512720 in words is "seven hundred thirty-eight million, five hundred twelve thousand, seven hundred twenty".