42493508 has 6 divisors (see below), whose sum is σ = 74363646. Its totient is φ = 21246752.

The previous prime is 42493457. The next prime is 42493513. The reversal of 42493508 is 80539424.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 1763584 = 6382^2 + 1328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5311685 + ... + 5311692.

It is an arithmetic number, because the mean of its divisors is an integer number (12393941).

Almost surely, 2^42493508 is an apocalyptic number.

It is an amenable number.

42493508 is a deficient number, since it is larger than the sum of its proper divisors (31870138).

42493508 is a wasteful number, since it uses less digits than its factorization.

42493508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623381 (or 10623379 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42493508 is about 6518.7044725160. The cubic root of 42493508 is about 348.9588323731.

The spelling of 42493508 in words is "forty-two million, four hundred ninety-three thousand, five hundred eight".