70499436 has 72 divisors (see below), whose sum is σ = 195503616. Its totient is φ = 19706400.

The previous prime is 70499417. The next prime is 70499441. The reversal of 70499436 is 63499407.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26361 + ... + 28911.

It is an arithmetic number, because the mean of its divisors is an integer number (2715328).

Almost surely, 2^70499436 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 70499436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97751808).

70499436 is an abundant number, since it is smaller than the sum of its proper divisors (125004180).

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

70499436 is a wasteful number, since it uses less digits than its factorization.

70499436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 70499436 is about 8396.3942260949. The cubic root of 70499436 is about 413.1063596604.

The spelling of 70499436 in words is "seventy million, four hundred ninety-nine thousand, four hundred thirty-six".