70348536 has 72 divisors (see below), whose sum is σ = 199279080. Its totient is φ = 22417824.

The previous prime is 70348529. The next prime is 70348549. The reversal of 70348536 is 63584307.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 70348536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37165 + ... + 39011.

It is an arithmetic number, because the mean of its divisors is an integer number (2767765).

Almost surely, 2^70348536 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 70348536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99639540).

70348536 is an abundant number, since it is smaller than the sum of its proper divisors (128930544).

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

70348536 is a wasteful number, since it uses less digits than its factorization.

70348536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 70348536 is about 8387.4034122606. The cubic root of 70348536 is about 412.8114056250.

The spelling of 70348536 in words is "seventy million, three hundred forty-eight thousand, five hundred thirty-six".