69479427 has 16 divisors (see below), whose sum is σ = 94536608. Its totient is φ = 45377280.

The previous prime is 69479419. The next prime is 69479437. The reversal of 69479427 is 72497496.

It is not a de Polignac number, because 69479427 - 2³ = 69479419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69479407) 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, 56673 + ... + 57885.

It is an arithmetic number, because the mean of its divisors is an integer number (5908538).

Almost surely, 2^69479427 is an apocalyptic number.

69479427 is a deficient number, since it is larger than the sum of its proper divisors (25057181).

69479427 is a wasteful number, since it uses less digits than its factorization.

69479427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its digits is 762048, while the sum is 48.

The square root of 69479427 is about 8335.4320223969. The cubic root of 69479427 is about 411.1043536562.

The spelling of 69479427 in words is "sixty-nine million, four hundred seventy-nine thousand, four hundred twenty-seven".