742400752 has 20 divisors (see below), whose sum is σ = 1453233376. Its totient is φ = 367372800.

The previous prime is 742400749. The next prime is 742400753. The reversal of 742400752 is 257004247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742400753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237624 + ... + 240727.

Almost surely, 2^742400752 is an apocalyptic number.

It is an amenable number.

742400752 is a deficient number, since it is larger than the sum of its proper divisors (710832624).

742400752 is a wasteful number, since it uses less digits than its factorization.

742400752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478456 (or 478450 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 742400752 is about 27247.0319851539. The cubic root of 742400752 is about 905.4812625002.

Adding to 742400752 its reverse (257004247), we get a palindrome (999404999).

The spelling of 742400752 in words is "seven hundred forty-two million, four hundred thousand, seven hundred fifty-two".