70231616 has 112 divisors (see below), whose sum is σ = 177515520. Its totient is φ = 26818560.

The previous prime is 70231613. The next prime is 70231631. The reversal of 70231616 is 61613207.

70231616 = 83³ + 84³ + ... + 134³.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (70231613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180350 + ... + 180738.

It is an arithmetic number, because the mean of its divisors is an integer number (1584960).

Almost surely, 2^70231616 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 70231616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88757760).

70231616 is an abundant number, since it is smaller than the sum of its proper divisors (107283904).

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

70231616 is a wasteful number, since it uses less digits than its factorization.

70231616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 70231616 is about 8380.4305378662. The cubic root of 70231616 is about 412.5825798551.

The spelling of 70231616 in words is "seventy million, two hundred thirty-one thousand, six hundred sixteen".