76950421 has 4 divisors (see below), whose sum is σ = 78587712. Its totient is φ = 75313132.

The previous prime is 76950407. The next prime is 76950431. The reversal of 76950421 is 12405967.

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 76950421 - 2⁹ = 76949909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76950431) 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 3 ways as a sum of consecutive naturals, for example, 818575 + ... + 818668.

It is an arithmetic number, because the mean of its divisors is an integer number (19646928).

Almost surely, 2^76950421 is an apocalyptic number.

It is an amenable number.

76950421 is a deficient number, since it is larger than the sum of its proper divisors (1637291).

76950421 is a wasteful number, since it uses less digits than its factorization.

76950421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637290.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 76950421 is about 8772.1389067889. The cubic root of 76950421 is about 425.3407573943.

The spelling of 76950421 in words is "seventy-six million, nine hundred fifty thousand, four hundred twenty-one".