64091430 has 48 divisors (see below), whose sum is σ = 179459280. Its totient is φ = 15776064.

The previous prime is 64091399. The next prime is 64091449. The reversal of 64091430 is 3419046.

64091430 is a `hidden beast` number, since 640 + 9 + 14 + 3 + 0 = 666.

It is a super-2 number, since 2×64091430² = 8215422798889800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64091394 and 64091403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26220 + ... + 28559.

It is an arithmetic number, because the mean of its divisors is an integer number (3738735).

Almost surely, 2^64091430 is an apocalyptic number.

64091430 is an abundant number, since it is smaller than the sum of its proper divisors (115367850).

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

64091430 is a wasteful number, since it uses less digits than its factorization.

64091430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54805 (or 54802 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 64091430 is about 8005.7123355764. The cubic root of 64091430 is about 400.1903885328.

The spelling of 64091430 in words is "sixty-four million, ninety-one thousand, four hundred thirty".