76442253 has 16 divisors (see below), whose sum is σ = 103535040. Its totient is φ = 50160384.

The previous prime is 76442239. The next prime is 76442269. The reversal of 76442253 is 35224467.

It is not a de Polignac number, because 76442253 - 2⁴ = 76442237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76442293) 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 15 ways as a sum of consecutive naturals, for example, 107463 + ... + 108171.

It is an arithmetic number, because the mean of its divisors is an integer number (6470940).

Almost surely, 2^76442253 is an apocalyptic number.

It is an amenable number.

76442253 is a deficient number, since it is larger than the sum of its proper divisors (27092787).

76442253 is a wasteful number, since it uses less digits than its factorization.

76442253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 40320, while the sum is 33.

The square root of 76442253 is about 8743.1260427836. The cubic root of 76442253 is about 424.4023951477.

The spelling of 76442253 in words is "seventy-six million, four hundred forty-two thousand, two hundred fifty-three".