34473640 has 32 divisors (see below), whose sum is σ = 79665480. Its totient is φ = 13416192.

The previous prime is 34473629. The next prime is 34473653. The reversal of 34473640 is 4637443.

It can be written as a sum of positive squares in 4 ways, for example, as 25341156 + 9132484 = 5034^2 + 3022^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10167 + ... + 13126.

Almost surely, 2^34473640 is an apocalyptic number.

It is an amenable number.

34473640 is an abundant number, since it is smaller than the sum of its proper divisors (45191840).

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

34473640 is a wasteful number, since it uses less digits than its factorization.

34473640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23341 (or 23337 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 34473640 is about 5871.4257212367. The cubic root of 34473640 is about 325.4585715909.

It can be divided in two parts, 344 and 73640, that added together give a square (73984 = 272²).

The spelling of 34473640 in words is "thirty-four million, four hundred seventy-three thousand, six hundred forty".