70783416 has 128 divisors (see below), whose sum is σ = 221644800. Its totient is φ = 20757600.

The previous prime is 70783409. The next prime is 70783429. The reversal of 70783416 is 61438707.

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

It is an alternating number because its digits alternate between odd and even.

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, 2283321 + ... + 2283351.

It is an arithmetic number, because the mean of its divisors is an integer number (1731600).

Almost surely, 2^70783416 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 70783416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110822400).

70783416 is an abundant number, since it is smaller than the sum of its proper divisors (150861384).

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

70783416 is a wasteful number, since it uses less digits than its factorization.

70783416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 70783416 is about 8413.2880611566. The cubic root of 70783416 is about 413.6602968459.

The spelling of 70783416 in words is "seventy million, seven hundred eighty-three thousand, four hundred sixteen".