76161490 has 16 divisors (see below), whose sum is σ = 138505752. Its totient is φ = 30150144.

The previous prime is 76161473. The next prime is 76161521. The reversal of 76161490 is 9416167.

It can be written as a sum of positive squares in 4 ways, for example, as 73462041 + 2699449 = 8571^2 + 1643^2 .

It is an alternating number because its digits alternate between odd and even.

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, 38289 + ... + 40228.

Almost surely, 2^76161490 is an apocalyptic number.

76161490 is a deficient number, since it is larger than the sum of its proper divisors (62344262).

76161490 is a wasteful number, since it uses less digits than its factorization.

76161490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78621.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 76161490 is about 8727.0550588386. The cubic root of 76161490 is about 423.8821651015.

The spelling of 76161490 in words is "seventy-six million, one hundred sixty-one thousand, four hundred ninety".