70448616 has 192 divisors, whose sum is σ = 234823680. Its totient is φ = 19362240.

The previous prime is 70448603. The next prime is 70448621. The reversal of 70448616 is 61684407.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421765 + ... + 421931.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^70448616 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 70448616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117411840).

70448616 is an abundant number, since it is smaller than the sum of its proper divisors (164375064).

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

70448616 is a wasteful number, since it uses less digits than its factorization.

70448616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70448616 is about 8393.3673814507. The cubic root of 70448616 is about 413.0070722856.

The spelling of 70448616 in words is "seventy million, four hundred forty-eight thousand, six hundred sixteen".