76661270 has 16 divisors (see below), whose sum is σ = 157703328. Its totient is φ = 26283840.

The previous prime is 76661251. The next prime is 76661281. The reversal of 76661270 is 7216667.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 76661270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547511 + ... + 547650.

It is an arithmetic number, because the mean of its divisors is an integer number (9856458).

Almost surely, 2^76661270 is an apocalyptic number.

76661270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76661270 is an abundant number, since it is smaller than the sum of its proper divisors (81042058).

76661270 is a wasteful number, since it uses less digits than its factorization.

76661270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095175.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 76661270 is about 8755.6421809026. The cubic root of 76661270 is about 424.8073313543.

The spelling of 76661270 in words is "seventy-six million, six hundred sixty-one thousand, two hundred seventy".