61937648 has 10 divisors (see below), whose sum is σ = 120004224. Its totient is φ = 30968816.

The previous prime is 61937641. The next prime is 61937651. The reversal of 61937648 is 84673916.

It is a junction number, because it is equal to n+sod(n) for n = 61937599 and 61937608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61937641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935536 + ... + 1935567.

Almost surely, 2^61937648 is an apocalyptic number.

It is an amenable number.

61937648 is a deficient number, since it is larger than the sum of its proper divisors (58066576).

61937648 is a wasteful number, since it uses less digits than its factorization.

61937648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871111 (or 3871105 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 61937648 is about 7870.0475220929. The cubic root of 61937648 is about 395.6564377252.

The spelling of 61937648 in words is "sixty-one million, nine hundred thirty-seven thousand, six hundred forty-eight".