64901802 has 32 divisors (see below), whose sum is σ = 148851072. Its totient is φ = 18480384.

The previous prime is 64901789. The next prime is 64901803. The reversal of 64901802 is 20810946.

It is a self number, because there is not a number n which added to its sum of digits gives 64901802.

It is not an unprimeable number, because it can be changed into a prime (64901803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10678 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (4651596).

Almost surely, 2^64901802 is an apocalyptic number.

64901802 is an abundant number, since it is smaller than the sum of its proper divisors (83949270).

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

64901802 is a wasteful number, since it uses less digits than its factorization.

64901802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 64901802 is about 8056.1654650336. The cubic root of 64901802 is about 401.8699983092.

It can be divided in two parts, 64901 and 802, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 64901802 in words is "sixty-four million, nine hundred one thousand, eight hundred two".