76348621 has 4 divisors (see below), whose sum is σ = 76748544. Its totient is φ = 75948700.

The previous prime is 76348609. The next prime is 76348651. The reversal of 76348621 is 12684367.

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 76348621 - 2¹⁷ = 76217549 is a prime.

It is a super-2 number, since 2×76348621² = 11658223857203282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76348651) 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, 199675 + ... + 200056.

It is an arithmetic number, because the mean of its divisors is an integer number (19187136).

Almost surely, 2^76348621 is an apocalyptic number.

It is an amenable number.

76348621 is a deficient number, since it is larger than the sum of its proper divisors (399923).

76348621 is a wasteful number, since it uses less digits than its factorization.

76348621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399922.

The product of its digits is 48384, while the sum is 37.

The square root of 76348621 is about 8737.7697955485. The cubic root of 76348621 is about 424.2290447686.

The spelling of 76348621 in words is "seventy-six million, three hundred forty-eight thousand, six hundred twenty-one".