61242670 has 32 divisors (see below), whose sum is σ = 120496896. Its totient is φ = 22310400.

The previous prime is 61242661. The next prime is 61242677. The reversal of 61242670 is 7624216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61242677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541 + ... + 11080.

It is an arithmetic number, because the mean of its divisors is an integer number (3765528).

Almost surely, 2^61242670 is an apocalyptic number.

61242670 is a deficient number, since it is larger than the sum of its proper divisors (59254226).

61242670 is a wasteful number, since it uses less digits than its factorization.

61242670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 61242670 is about 7825.7696107156. The cubic root of 61242670 is about 394.1710329623.

Adding to 61242670 its reverse (7624216), we get a palindrome (68866886).

It can be divided in two parts, 6 and 1242670, that added together give a triangular number (1242676 = T₁₅₇₆).

The spelling of 61242670 in words is "sixty-one million, two hundred forty-two thousand, six hundred seventy".