76431097 has 4 divisors (see below), whose sum is σ = 76631040. Its totient is φ = 76231156.

The previous prime is 76431083. The next prime is 76431107. The reversal of 76431097 is 79013467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76431097 - 2⁷ = 76430969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76431007) 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, 99397 + ... + 100162.

It is an arithmetic number, because the mean of its divisors is an integer number (19157760).

Almost surely, 2^76431097 is an apocalyptic number.

It is an amenable number.

76431097 is a deficient number, since it is larger than the sum of its proper divisors (199943).

76431097 is a wasteful number, since it uses less digits than its factorization.

76431097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199942.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 76431097 is about 8742.4880325912. The cubic root of 76431097 is about 424.3817483489.

The spelling of 76431097 in words is "seventy-six million, four hundred thirty-one thousand, ninety-seven".