72877451 has 2 divisors, whose sum is σ = 72877452. Its totient is φ = 72877450.

The previous prime is 72877447. The next prime is 72877477. The reversal of 72877451 is 15477827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72877451 - 2² = 72877447 is a prime.

It is a super-2 number, since 2×72877451² = 10622245728514802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72877399 and 72877408.

It is not a weakly prime, because it can be changed into another prime (72877411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36438725 + 36438726.

It is an arithmetic number, because the mean of its divisors is an integer number (36438726).

Almost surely, 2^72877451 is an apocalyptic number.

72877451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72877451 is an equidigital number, since it uses as much as digits as its factorization.

72877451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109760, while the sum is 41.

The square root of 72877451 is about 8536.8290951617. The cubic root of 72877451 is about 417.6999193133.

The spelling of 72877451 in words is "seventy-two million, eight hundred seventy-seven thousand, four hundred fifty-one".