672622587 has 48 divisors (see below), whose sum is σ = 1202073600. Its totient is φ = 352921536.

The previous prime is 672622567. The next prime is 672622609. The reversal of 672622587 is 785226276.

672622587 is a `hidden beast` number, since 6 + 7 + 2 + 62 + 2 + 587 = 666.

It is not a de Polignac number, because 672622587 - 2⁸ = 672622331 is a prime.

It is a super-2 number, since 2×672622587² = 904842289085145138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672622567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160918 + ... + 165044.

It is an arithmetic number, because the mean of its divisors is an integer number (25043200).

Almost surely, 2^672622587 is an apocalyptic number.

672622587 is a deficient number, since it is larger than the sum of its proper divisors (529451013).

672622587 is a wasteful number, since it uses less digits than its factorization.

672622587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352 (or 4349 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 672622587 is about 25934.9684210334. The cubic root of 672622587 is about 876.1742436591.

The spelling of 672622587 in words is "six hundred seventy-two million, six hundred twenty-two thousand, five hundred eighty-seven".