72930877 has 2 divisors, whose sum is σ = 72930878. Its totient is φ = 72930876.

The previous prime is 72930857. The next prime is 72930883. The reversal of 72930877 is 77803927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43217476 + 29713401 = 6574^2 + 5451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72930877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72930827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36465438 + 36465439.

It is an arithmetic number, because the mean of its divisors is an integer number (36465439).

Almost surely, 2^72930877 is an apocalyptic number.

It is an amenable number.

72930877 is a deficient number, since it is larger than the sum of its proper divisors (1).

72930877 is an equidigital number, since it uses as much as digits as its factorization.

72930877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 72930877 is about 8539.9576696843. The cubic root of 72930877 is about 417.8019654403.

The spelling of 72930877 in words is "seventy-two million, nine hundred thirty thousand, eight hundred seventy-seven".