261079704 has 48 divisors (see below), whose sum is σ = 717657720. Its totient is φ = 85726080.

The previous prime is 261079697. The next prime is 261079711. The reversal of 261079704 is 407970162.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (261079697) and next prime (261079711).

It is a super-2 number, since 2×261079704² = 136325223681455232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22237 + ... + 31884.

Almost surely, 2^261079704 is an apocalyptic number.

261079704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

261079704 is an abundant number, since it is smaller than the sum of its proper divisors (456578016).

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

261079704 is a wasteful number, since it uses less digits than its factorization.

261079704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54200 (or 54193 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 261079704 is about 16157.9610099790. The cubic root of 261079704 is about 639.1326988988.

The spelling of 261079704 in words is "two hundred sixty-one million, seventy-nine thousand, seven hundred four".