64611948 has 12 divisors (see below), whose sum is σ = 150761240. Its totient is φ = 21537312.

The previous prime is 64611923. The next prime is 64611949. The reversal of 64611948 is 84911646.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64611949) 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, 2692153 + ... + 2692176.

Almost surely, 2^64611948 is an apocalyptic number.

It is an amenable number.

64611948 is an abundant number, since it is smaller than the sum of its proper divisors (86149292).

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

64611948 is a wasteful number, since it uses less digits than its factorization.

64611948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384336 (or 5384334 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 64611948 is about 8038.1557586302. The cubic root of 64611948 is about 401.2708497430.

The spelling of 64611948 in words is "sixty-four million, six hundred eleven thousand, nine hundred forty-eight".