64051746 has 16 divisors (see below), whose sum is σ = 139749408. Its totient is φ = 19409600.

The previous prime is 64051721. The next prime is 64051751. The reversal of 64051746 is 64715046.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 485175 + ... + 485306.

It is an arithmetic number, because the mean of its divisors is an integer number (8734338).

Almost surely, 2^64051746 is an apocalyptic number.

64051746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64051746 is an abundant number, since it is smaller than the sum of its proper divisors (75697662).

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

64051746 is a wasteful number, since it uses less digits than its factorization.

64051746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970497.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 64051746 is about 8003.2334715414. The cubic root of 64051746 is about 400.1077751254.

Subtracting from 64051746 its product of nonzero digits (20160), we obtain a triangular number (64031586 = T₁₁₃₁₆).

The spelling of 64051746 in words is "sixty-four million, fifty-one thousand, seven hundred forty-six".