70539408 has 60 divisors (see below), whose sum is σ = 198082560. Its totient is φ = 23433408.

The previous prime is 70539407. The next prime is 70539421. The reversal of 70539408 is 80493507.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70539401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54513 + ... + 55791.

It is an arithmetic number, because the mean of its divisors is an integer number (3301376).

Almost surely, 2^70539408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70539408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99041280).

70539408 is an abundant number, since it is smaller than the sum of its proper divisors (127543152).

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

70539408 is a wasteful number, since it uses less digits than its factorization.

70539408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70539408 is about 8398.7741962741. The cubic root of 70539408 is about 413.1844197061.

It can be divided in two parts, 7053 and 9408, that added together give a palindrome (16461).

The spelling of 70539408 in words is "seventy million, five hundred thirty-nine thousand, four hundred eight".