69226740 has 72 divisors (see below), whose sum is σ = 229084128. Its totient is φ = 16781760.

The previous prime is 69226739. The next prime is 69226793. The reversal of 69226740 is 4762296.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 69226695 and 69226704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15502 + ... + 19461.

It is an arithmetic number, because the mean of its divisors is an integer number (3181724).

Almost surely, 2^69226740 is an apocalyptic number.

69226740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69226740 is an abundant number, since it is smaller than the sum of its proper divisors (159857388).

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

69226740 is a wasteful number, since it uses less digits than its factorization.

69226740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34989 (or 34984 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 69226740 is about 8320.2608132197. The cubic root of 69226740 is about 410.6053718299.

The spelling of 69226740 in words is "sixty-nine million, two hundred twenty-six thousand, seven hundred forty".