61964748 has 18 divisors (see below), whose sum is σ = 156633204. Its totient is φ = 20654904.

The previous prime is 61964741. The next prime is 61964759. The reversal of 61964748 is 84746916.

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

It is not an unprimeable number, because it can be changed into a prime (61964741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860586 + ... + 860657.

Almost surely, 2^61964748 is an apocalyptic number.

It is an amenable number.

61964748 is an abundant number, since it is smaller than the sum of its proper divisors (94668456).

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

61964748 is a wasteful number, since it uses less digits than its factorization.

61964748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721253 (or 1721248 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 61964748 is about 7871.7690514903. The cubic root of 61964748 is about 395.7141340611.

The spelling of 61964748 in words is "sixty-one million, nine hundred sixty-four thousand, seven hundred forty-eight".