65379405 has 64 divisors (see below), whose sum is σ = 129927168. Its totient is φ = 27336960.

The previous prime is 65379383. The next prime is 65379439. The reversal of 65379405 is 50497356.

It is not a de Polignac number, because 65379405 - 2⁹ = 65378893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287902 + ... + 288128.

It is an arithmetic number, because the mean of its divisors is an integer number (2030112).

Almost surely, 2^65379405 is an apocalyptic number.

65379405 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65379405 is a deficient number, since it is larger than the sum of its proper divisors (64547763).

65379405 is a wasteful number, since it uses less digits than its factorization.

65379405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 65379405 is about 8085.7532116680. The cubic root of 65379405 is about 402.8533578905.

The spelling of 65379405 in words is "sixty-five million, three hundred seventy-nine thousand, four hundred five".