765270051 has 16 divisors (see below), whose sum is σ = 1255828224. Its totient is φ = 403658784.

The previous prime is 765270041. The next prime is 765270073. The reversal of 765270051 is 150072567.

It is not a de Polignac number, because 765270051 - 2⁹ = 765269539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 765269994 and 765270021.

It is not an unprimeable number, because it can be changed into a prime (765270041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401321 + ... + 1401866.

It is an arithmetic number, because the mean of its divisors is an integer number (78489264).

Almost surely, 2^765270051 is an apocalyptic number.

765270051 is a deficient number, since it is larger than the sum of its proper divisors (490558173).

765270051 is a wasteful number, since it uses less digits than its factorization.

765270051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803210.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 765270051 is about 27663.5147983766. The cubic root of 765270051 is about 914.6850323846.

It can be divided in two parts, 76527005 and 1, that added together give a triangular number (76527006 = T₁₂₃₇₁).

The spelling of 765270051 in words is "seven hundred sixty-five million, two hundred seventy thousand, fifty-one".