42973704 has 24 divisors (see below), whose sum is σ = 116387310. Its totient is φ = 14324544.

The previous prime is 42973681. The next prime is 42973747. The reversal of 42973704 is 40737924.

It can be written as a sum of positive squares in only one way, i.e., 40985604 + 1988100 = 6402^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298357 + ... + 298500.

Almost surely, 2^42973704 is an apocalyptic number.

It is an amenable number.

42973704 is an abundant number, since it is smaller than the sum of its proper divisors (73413606).

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

42973704 is a wasteful number, since it uses less digits than its factorization.

42973704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596869 (or 596862 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 42973704 is about 6555.4331664658. The cubic root of 42973704 is about 350.2683764720.

It can be divided in two parts, 4297 and 3704, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 42973704 in words is "forty-two million, nine hundred seventy-three thousand, seven hundred four".