61907148 has 18 divisors (see below), whose sum is σ = 156487604. Its totient is φ = 20635704.

The previous prime is 61907147. The next prime is 61907161. The reversal of 61907148 is 84170916.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1719643 = 61907148 / (6 + 1 + 9 + 0 + 7 + 1 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (61907147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 859786 + ... + 859857.

Almost surely, 2^61907148 is an apocalyptic number.

It is an amenable number.

61907148 is an abundant number, since it is smaller than the sum of its proper divisors (94580456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61907148 is a wasteful number, since it uses less digits than its factorization.

61907148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719653 (or 1719648 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 61907148 is about 7868.1095569393. The cubic root of 61907148 is about 395.5914826018.

The spelling of 61907148 in words is "sixty-one million, nine hundred seven thousand, one hundred forty-eight".