70804734 has 64 divisors (see below), whose sum is σ = 190149120. Its totient is φ = 16974720.

The previous prime is 70804709. The next prime is 70804753. The reversal of 70804734 is 43740807.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70804695 and 70804704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (2971080).

Almost surely, 2^70804734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70804734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95074560).

70804734 is an abundant number, since it is smaller than the sum of its proper divisors (119344386).

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

70804734 is a wasteful number, since it uses less digits than its factorization.

70804734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70804734 is about 8414.5548901888. The cubic root of 70804734 is about 413.7018203438.

The spelling of 70804734 in words is "seventy million, eight hundred four thousand, seven hundred thirty-four".