76497621 has 8 divisors (see below), whose sum is σ = 105514080. Its totient is φ = 49239792.

The previous prime is 76497613. The next prime is 76497761. The reversal of 76497621 is 12679467.

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

It is not a de Polignac number, because 76497621 - 2³ = 76497613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76497821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439555 + ... + 439728.

It is an arithmetic number, because the mean of its divisors is an integer number (13189260).

Almost surely, 2^76497621 is an apocalyptic number.

It is an amenable number.

76497621 is a deficient number, since it is larger than the sum of its proper divisors (29016459).

76497621 is a wasteful number, since it uses less digits than its factorization.

76497621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879315.

The product of its digits is 127008, while the sum is 42.

The square root of 76497621 is about 8746.2918428326. The cubic root of 76497621 is about 424.5048369249.

The spelling of 76497621 in words is "seventy-six million, four hundred ninety-seven thousand, six hundred twenty-one".