69249380 has 12 divisors (see below), whose sum is σ = 145423740. Its totient is φ = 27699744.

The previous prime is 69249379. The next prime is 69249431. The reversal of 69249380 is 8394296.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44169316 + 25080064 = 6646^2 + 5008^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731215 + ... + 1731254.

It is an arithmetic number, because the mean of its divisors is an integer number (12118645).

Almost surely, 2^69249380 is an apocalyptic number.

It is an amenable number.

69249380 is an abundant number, since it is smaller than the sum of its proper divisors (76174360).

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

69249380 is a wasteful number, since it uses less digits than its factorization.

69249380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462478 (or 3462476 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 69249380 is about 8321.6212362736. The cubic root of 69249380 is about 410.6501285834.

The spelling of 69249380 in words is "sixty-nine million, two hundred forty-nine thousand, three hundred eighty".