70497868 has 36 divisors (see below), whose sum is σ = 144185832. Its totient is φ = 30072000.

The previous prime is 70497863. The next prime is 70497887. The reversal of 70497868 is 86879407.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (70497863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48480 + ... + 49912.

It is an arithmetic number, because the mean of its divisors is an integer number (4005162).

Almost surely, 2^70497868 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 70497868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72092916).

70497868 is an abundant number, since it is smaller than the sum of its proper divisors (73687964).

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

70497868 is a wasteful number, since it uses less digits than its factorization.

70497868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 70497868 is about 8396.3008521610. The cubic root of 70497868 is about 413.1032969618.

The spelling of 70497868 in words is "seventy million, four hundred ninety-seven thousand, eight hundred sixty-eight".