42631006 has 32 divisors (see below), whose sum is σ = 73363968. Its totient is φ = 18390240.

The previous prime is 42630977. The next prime is 42631031. The reversal of 42631006 is 60013624.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87295 + ... + 87781.

It is an arithmetic number, because the mean of its divisors is an integer number (2292624).

Almost surely, 2^42631006 is an apocalyptic number.

42631006 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42631006 is a deficient number, since it is larger than the sum of its proper divisors (30732962).

42631006 is a wasteful number, since it uses less digits than its factorization.

42631006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42631006 is about 6529.2423756513. The cubic root of 42631006 is about 349.3348073169.

The spelling of 42631006 in words is "forty-two million, six hundred thirty-one thousand, six".