742611920 has 40 divisors (see below), whose sum is σ = 1752355104. Its totient is φ = 292609152.

The previous prime is 742611889. The next prime is 742611949. The reversal of 742611920 is 29116247.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63914 + ... + 74633.

Almost surely, 2^742611920 is an apocalyptic number.

It is an amenable number.

742611920 is an abundant number, since it is smaller than the sum of its proper divisors (1009743184).

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

742611920 is a wasteful number, since it uses less digits than its factorization.

742611920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138627 (or 138621 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 742611920 is about 27250.9067739039. The cubic root of 742611920 is about 905.5671058673.

The spelling of 742611920 in words is "seven hundred forty-two million, six hundred eleven thousand, nine hundred twenty".