69077540 has 48 divisors (see below), whose sum is σ = 174518400. Its totient is φ = 22436352.

The previous prime is 69077531. The next prime is 69077543. The reversal of 69077540 is 4577096.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 69077494 and 69077503.

It is not an unprimeable number, because it can be changed into a prime (69077543) 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, 10325 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (3635800).

Almost surely, 2^69077540 is an apocalyptic number.

It is an amenable number.

69077540 is an abundant number, since it is smaller than the sum of its proper divisors (105440860).

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

69077540 is a wasteful number, since it uses less digits than its factorization.

69077540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26004 (or 26002 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 69077540 is about 8311.2899119210. The cubic root of 69077540 is about 410.3101757547.

The spelling of 69077540 in words is "sixty-nine million, seventy-seven thousand, five hundred forty".