69031379 has 4 divisors (see below), whose sum is σ = 69714960. Its totient is φ = 68347800.

The previous prime is 69031343. The next prime is 69031399. The reversal of 69031379 is 97313096.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69031379 - 2¹⁶ = 68965843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69031399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341639 + ... + 341840.

It is an arithmetic number, because the mean of its divisors is an integer number (17428740).

Almost surely, 2^69031379 is an apocalyptic number.

69031379 is a deficient number, since it is larger than the sum of its proper divisors (683581).

69031379 is a wasteful number, since it uses less digits than its factorization.

69031379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683580.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 69031379 is about 8308.5124420681. The cubic root of 69031379 is about 410.2187589278.

The spelling of 69031379 in words is "sixty-nine million, thirty-one thousand, three hundred seventy-nine".