761634870 has 16 divisors (see below), whose sum is σ = 1827923760. Its totient is φ = 203102624.

The previous prime is 761634851. The next prime is 761634871. The reversal of 761634870 is 78436167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761634871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12693885 + ... + 12693944.

It is an arithmetic number, because the mean of its divisors is an integer number (114245235).

Almost surely, 2^761634870 is an apocalyptic number.

761634870 is an abundant number, since it is smaller than the sum of its proper divisors (1066288890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761634870 is a wasteful number, since it uses less digits than its factorization.

761634870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387839.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 761634870 is about 27597.7330590757. The cubic root of 761634870 is about 913.2344226925.

It can be divided in two parts, 7616 and 34870, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 761634870 in words is "seven hundred sixty-one million, six hundred thirty-four thousand, eight hundred seventy".