43425690 has 96 divisors (see below), whose sum is σ = 130999680. Its totient is φ = 9018240.

The previous prime is 43425677. The next prime is 43425713. The reversal of 43425690 is 9652434.

It is a super-2 number, since 2×43425690² = 3771581103952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24556 + ... + 26264.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^43425690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43425690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65499840).

43425690 is an abundant number, since it is smaller than the sum of its proper divisors (87573990).

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

43425690 is a wasteful number, since it uses less digits than its factorization.

43425690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 43425690 is about 6589.8171446558. The cubic root of 43425690 is about 351.4921060639.

The spelling of 43425690 in words is "forty-three million, four hundred twenty-five thousand, six hundred ninety".