61893744 has 40 divisors (see below), whose sum is σ = 174429312. Its totient is φ = 18755520.

The previous prime is 61893703. The next prime is 61893751. The reversal of 61893744 is 44739816.

It is a super-3 number, since 3×61893744³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61893696 and 61893705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58084 + ... + 59139.

Almost surely, 2^61893744 is an apocalyptic number.

It is an amenable number.

61893744 is an abundant number, since it is smaller than the sum of its proper divisors (112535568).

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

61893744 is a wasteful number, since it uses less digits than its factorization.

61893744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117245 (or 117239 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 61893744 is about 7867.2577179091. The cubic root of 61893744 is about 395.5629296740.

The spelling of 61893744 in words is "sixty-one million, eight hundred ninety-three thousand, seven hundred forty-four".