76378420 has 24 divisors (see below), whose sum is σ = 165570048. Its totient is φ = 29565600.

The previous prime is 76378409. The next prime is 76378427. The reversal of 76378420 is 2487367.

It is a self number, because there is not a number n which added to its sum of digits gives 76378420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76378427) 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, 60976 + ... + 62215.

It is an arithmetic number, because the mean of its divisors is an integer number (6898752).

Almost surely, 2^76378420 is an apocalyptic number.

It is an amenable number.

76378420 is an abundant number, since it is smaller than the sum of its proper divisors (89191628).

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

76378420 is a wasteful number, since it uses less digits than its factorization.

76378420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123231 (or 123229 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 76378420 is about 8739.4748125960. The cubic root of 76378420 is about 424.2842300350.

The spelling of 76378420 in words is "seventy-six million, three hundred seventy-eight thousand, four hundred twenty".