761972507 has 4 divisors (see below), whose sum is σ = 778184736. Its totient is φ = 745760280.

The previous prime is 761972503. The next prime is 761972509. The reversal of 761972507 is 705279167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705279167 = 10867 ⋅64901.

It is not a de Polignac number, because 761972507 - 2² = 761972503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761972503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8106044 + ... + 8106137.

It is an arithmetic number, because the mean of its divisors is an integer number (194546184).

Almost surely, 2^761972507 is an apocalyptic number.

761972507 is a deficient number, since it is larger than the sum of its proper divisors (16212229).

761972507 is a wasteful number, since it uses less digits than its factorization.

761972507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16212228.

The product of its (nonzero) digits is 185220, while the sum is 44.

The square root of 761972507 is about 27603.8494960395. The cubic root of 761972507 is about 913.3693500665.

The spelling of 761972507 in words is "seven hundred sixty-one million, nine hundred seventy-two thousand, five hundred seven".