672024861 has 12 divisors (see below), whose sum is σ = 986616540. Its totient is φ = 440671680.

The previous prime is 672024853. The next prime is 672024877. The reversal of 672024861 is 168420276.

It can be written as a sum of positive squares in 2 ways, for example, as 205205625 + 466819236 = 14325^2 + 21606^2 .

It is not a de Polignac number, because 672024861 - 2³ = 672024853 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672023861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611496 + ... + 612593.

It is an arithmetic number, because the mean of its divisors is an integer number (82218045).

Almost surely, 2^672024861 is an apocalyptic number.

672024861 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

672024861 is a deficient number, since it is larger than the sum of its proper divisors (314591679).

672024861 is a wasteful number, since it uses less digits than its factorization.

672024861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224156 (or 1224153 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 672024861 is about 25923.4423061445. The cubic root of 672024861 is about 875.9146293548.

The spelling of 672024861 in words is "six hundred seventy-two million, twenty-four thousand, eight hundred sixty-one".