42472790 has 32 divisors (see below), whose sum is σ = 83082240. Its totient is φ = 15573600.

The previous prime is 42472757. The next prime is 42472799. The reversal of 42472790 is 9727424.

42472790 = T₁₄ + T₁₅ + ... + T₆₃₃.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42472790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42472799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2285 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (2596320).

Almost surely, 2^42472790 is an apocalyptic number.

42472790 is a deficient number, since it is larger than the sum of its proper divisors (40609450).

42472790 is a wasteful number, since it uses less digits than its factorization.

42472790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42472790 is about 6517.1151593324. The cubic root of 42472790 is about 348.9021107332.

The spelling of 42472790 in words is "forty-two million, four hundred seventy-two thousand, seven hundred ninety".