61490567 has 8 divisors (see below), whose sum is σ = 62695680. Its totient is φ = 60291000.

The previous prime is 61490551. The next prime is 61490573. The reversal of 61490567 is 76509416.

61490567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61490567 - 2⁴ = 61490551 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61490567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61492567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26192 + ... + 28442.

It is an arithmetic number, because the mean of its divisors is an integer number (7836960).

Almost surely, 2^61490567 is an apocalyptic number.

61490567 is a deficient number, since it is larger than the sum of its proper divisors (1205113).

61490567 is a wasteful number, since it uses less digits than its factorization.

61490567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 61490567 is about 7841.5921215019. The cubic root of 61490567 is about 394.7021565010.

The spelling of 61490567 in words is "sixty-one million, four hundred ninety thousand, five hundred sixty-seven".