76397406 has 16 divisors (see below), whose sum is σ = 153319824. Its totient is φ = 25378304.

The previous prime is 76397401. The next prime is 76397407. The reversal of 76397406 is 60479367.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76397401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19971 + ... + 23486.

It is an arithmetic number, because the mean of its divisors is an integer number (9582489).

Almost surely, 2^76397406 is an apocalyptic number.

76397406 is an abundant number, since it is smaller than the sum of its proper divisors (76922418).

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

76397406 is a wasteful number, since it uses less digits than its factorization.

76397406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43755.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 76397406 is about 8740.5609659792. The cubic root of 76397406 is about 424.3193830404.

The spelling of 76397406 in words is "seventy-six million, three hundred ninety-seven thousand, four hundred six".