64744734 has 8 divisors (see below), whose sum is σ = 129489480. Its totient is φ = 21581576.

The previous prime is 64744711. The next prime is 64744769. The reversal of 64744734 is 43744746.

It is a sphenic number, since it is the product of 3 distinct primes.

64744734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 64744692 and 64744701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5395389 + ... + 5395400.

It is an arithmetic number, because the mean of its divisors is an integer number (16186185).

Almost surely, 2^64744734 is an apocalyptic number.

64744734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64744734 is a wasteful number, since it uses less digits than its factorization.

64744734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790794.

The product of its digits is 225792, while the sum is 39.

The square root of 64744734 is about 8046.4112497436. The cubic root of 64744734 is about 401.5455496658.

It can be divided in two parts, 6 and 4744734, that added together give a triangular number (4744740 = T₃₀₈₀).

The spelling of 64744734 in words is "sixty-four million, seven hundred forty-four thousand, seven hundred thirty-four".