157470406 has 8 divisors (see below), whose sum is σ = 244350720. Its totient is φ = 76020168.

The previous prime is 157470389. The next prime is 157470427. The reversal of 157470406 is 604074751.

It is a happy number.

157470406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357446 + ... + 1357561.

It is an arithmetic number, because the mean of its divisors is an integer number (30543840).

Almost surely, 2^157470406 is an apocalyptic number.

157470406 is a deficient number, since it is larger than the sum of its proper divisors (86880314).

157470406 is a wasteful number, since it uses less digits than its factorization.

157470406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715038.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 157470406 is about 12548.7212894382. The cubic root of 157470406 is about 540.0073227173.

The spelling of 157470406 in words is "one hundred fifty-seven million, four hundred seventy thousand, four hundred six".