72937951 has 2 divisors, whose sum is σ = 72937952. Its totient is φ = 72937950.

The previous prime is 72937901. The next prime is 72937957. The reversal of 72937951 is 15973927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72937951 - 2²¹ = 70840799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72937898 and 72937907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72937957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36468975 + 36468976.

It is an arithmetic number, because the mean of its divisors is an integer number (36468976).

Almost surely, 2^72937951 is an apocalyptic number.

72937951 is a deficient number, since it is larger than the sum of its proper divisors (1).

72937951 is an equidigital number, since it uses as much as digits as its factorization.

72937951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 43.

The square root of 72937951 is about 8540.3718303128. The cubic root of 72937951 is about 417.8154733704.

The spelling of 72937951 in words is "seventy-two million, nine hundred thirty-seven thousand, nine hundred fifty-one".