65420376 has 64 divisors (see below), whose sum is σ = 188140800. Its totient is φ = 18569088.

The previous prime is 65420359. The next prime is 65420393. The reversal of 65420376 is 67302456.

It is an interprime number because it is at equal distance from previous prime (65420359) and next prime (65420393).

It is a congruent number.

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, 26190 + ... + 28578.

It is an arithmetic number, because the mean of its divisors is an integer number (2939700).

Almost surely, 2^65420376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65420376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94070400).

65420376 is an abundant number, since it is smaller than the sum of its proper divisors (122720424).

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

65420376 is a wasteful number, since it uses less digits than its factorization.

65420376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 65420376 is about 8088.2863450795. The cubic root of 65420376 is about 402.9374917161.

The spelling of 65420376 in words is "sixty-five million, four hundred twenty thousand, three hundred seventy-six".