72076507 has 2 divisors, whose sum is σ = 72076508. Its totient is φ = 72076506.

The previous prime is 72076493. The next prime is 72076531. The reversal of 72076507 is 70567027.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72076507 is a prime.

It is a super-2 number, since 2×72076507² = 10390045722642098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72076597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36038253 + 36038254.

It is an arithmetic number, because the mean of its divisors is an integer number (36038254).

Almost surely, 2^72076507 is an apocalyptic number.

72076507 is a deficient number, since it is larger than the sum of its proper divisors (1).

72076507 is an equidigital number, since it uses as much as digits as its factorization.

72076507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 72076507 is about 8489.7883954784. The cubic root of 72076507 is about 416.1640652018.

The spelling of 72076507 in words is "seventy-two million, seventy-six thousand, five hundred seven".