64148372 has 6 divisors (see below), whose sum is σ = 112259658. Its totient is φ = 32074184.

The previous prime is 64148369. The next prime is 64148387. The reversal of 64148372 is 27384146.

It can be written as a sum of positive squares in only one way, i.e., 38887696 + 25260676 = 6236^2 + 5026^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8018543 + ... + 8018550.

It is an arithmetic number, because the mean of its divisors is an integer number (18709943).

Almost surely, 2^64148372 is an apocalyptic number.

It is an amenable number.

64148372 is a deficient number, since it is larger than the sum of its proper divisors (48111286).

64148372 is a wasteful number, since it uses less digits than its factorization.

64148372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16037097 (or 16037095 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 64148372 is about 8009.2678816481. The cubic root of 64148372 is about 400.3088697706.

The spelling of 64148372 in words is "sixty-four million, one hundred forty-eight thousand, three hundred seventy-two".