742172080 has 40 divisors (see below), whose sum is σ = 1858287312. Its totient is φ = 274032384.

The previous prime is 742172071. The next prime is 742172107. The reversal of 742172080 is 80271247.

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

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, 355774 + ... + 357853.

Almost surely, 2^742172080 is an apocalyptic number.

It is an amenable number.

742172080 is an abundant number, since it is smaller than the sum of its proper divisors (1116115232).

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

742172080 is a wasteful number, since it uses less digits than its factorization.

742172080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713653 (or 713647 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 742172080 is about 27242.8353884099. The cubic root of 742172080 is about 905.3882851006.

The spelling of 742172080 in words is "seven hundred forty-two million, one hundred seventy-two thousand, eighty".