42473240 has 16 divisors (see below), whose sum is σ = 95564880. Its totient is φ = 16989280.

The previous prime is 42473231. The next prime is 42473251. The reversal of 42473240 is 4237424.

It is a super-2 number, since 2×42473240² = 3607952232195200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530876 + ... + 530955.

It is an arithmetic number, because the mean of its divisors is an integer number (5972805).

Almost surely, 2^42473240 is an apocalyptic number.

42473240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42473240 is an abundant number, since it is smaller than the sum of its proper divisors (53091640).

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

42473240 is a wasteful number, since it uses less digits than its factorization.

42473240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061842 (or 1061838 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42473240 is about 6517.1496837191. The cubic root of 42473240 is about 348.9033429370.

The spelling of 42473240 in words is "forty-two million, four hundred seventy-three thousand, two hundred forty".