65498370 has 32 divisors (see below), whose sum is σ = 179653248. Its totient is φ = 14971008.

The previous prime is 65498341. The next prime is 65498383. The reversal of 65498370 is 7389456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155739 + ... + 156158.

It is an arithmetic number, because the mean of its divisors is an integer number (5614164).

Almost surely, 2^65498370 is an apocalyptic number.

65498370 is an abundant number, since it is smaller than the sum of its proper divisors (114154878).

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

65498370 is a wasteful number, since it uses less digits than its factorization.

65498370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311914.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 65498370 is about 8093.1063257565. The cubic root of 65498370 is about 403.0975551294.

The spelling of 65498370 in words is "sixty-five million, four hundred ninety-eight thousand, three hundred seventy".