61375424 has 28 divisors (see below), whose sum is σ = 132865368. Its totient is φ = 27897600.

The previous prime is 61375421. The next prime is 61375463. The reversal of 61375424 is 42457316.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61375421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42887 + ... + 44294.

Almost surely, 2^61375424 is an apocalyptic number.

61375424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61375424 is an abundant number, since it is smaller than the sum of its proper divisors (71489944).

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

61375424 is a wasteful number, since it uses less digits than its factorization.

61375424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87204 (or 87194 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 61375424 is about 7834.2468687169. The cubic root of 61375424 is about 394.4556385429.

The spelling of 61375424 in words is "sixty-one million, three hundred seventy-five thousand, four hundred twenty-four".