61953670 has 16 divisors (see below), whose sum is σ = 111618000. Its totient is φ = 24758944.

The previous prime is 61953667. The next prime is 61953691. The reversal of 61953670 is 7635916.

61953670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12924 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (6976125).

Almost surely, 2^61953670 is an apocalyptic number.

61953670 is a deficient number, since it is larger than the sum of its proper divisors (49664330).

61953670 is a wasteful number, since it uses less digits than its factorization.

61953670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 61953670 is about 7871.0653662640. The cubic root of 61953670 is about 395.6905508541.

It can be divided in two parts, 619 and 53670, that added together give a square (54289 = 233²).

The spelling of 61953670 in words is "sixty-one million, nine hundred fifty-three thousand, six hundred seventy".