61690276 has 12 divisors (see below), whose sum is σ = 109728220. Its totient is φ = 30339360.

The previous prime is 61690249. The next prime is 61690303. The reversal of 61690276 is 67209616.

61690276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61690249) and next prime (61690303).

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 58155876 = 1880^2 + 7626^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126171 + ... + 126658.

Almost surely, 2^61690276 is an apocalyptic number.

It is an amenable number.

61690276 is a deficient number, since it is larger than the sum of its proper divisors (48037944).

61690276 is a wasteful number, since it uses less digits than its factorization.

61690276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252894 (or 252892 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 61690276 is about 7854.3157563215. The cubic root of 61690276 is about 395.1289991530.

The spelling of 61690276 in words is "sixty-one million, six hundred ninety thousand, two hundred seventy-six".