62439842 has 16 divisors (see below), whose sum is σ = 97520760. Its totient is φ = 29947008.

The previous prime is 62439841. The next prime is 62439847. The reversal of 62439842 is 24893426.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27994681 + 34445161 = 5291^2 + 5869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 62439796 and 62439805.

It is not an unprimeable number, because it can be changed into a prime (62439841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5678 + ... + 12534.

Almost surely, 2^62439842 is an apocalyptic number.

62439842 is a deficient number, since it is larger than the sum of its proper divisors (35080918).

62439842 is a wasteful number, since it uses less digits than its factorization.

62439842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045.

The product of its digits is 82944, while the sum is 38.

The square root of 62439842 is about 7901.8885084516. Note that the first 3 decimals coincide. The cubic root of 62439842 is about 396.7228956218.

The spelling of 62439842 in words is "sixty-two million, four hundred thirty-nine thousand, eight hundred forty-two".