64193402 has 16 divisors (see below), whose sum is σ = 118511232. Its totient is φ = 25395120.

The previous prime is 64193401. The next prime is 64193407. The reversal of 64193402 is 20439146.

It is not an unprimeable number, because it can be changed into a prime (64193401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176174 + ... + 176537.

It is an arithmetic number, because the mean of its divisors is an integer number (7406952).

Almost surely, 2^64193402 is an apocalyptic number.

64193402 is a deficient number, since it is larger than the sum of its proper divisors (54317830).

64193402 is a wasteful number, since it uses less digits than its factorization.

64193402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352733.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64193402 is about 8012.0785068545. The cubic root of 64193402 is about 400.4025156503.

The spelling of 64193402 in words is "sixty-four million, one hundred ninety-three thousand, four hundred two".