70408224 has 96 divisors (see below), whose sum is σ = 216216000. Its totient is φ = 22228992.

The previous prime is 70408207. The next prime is 70408241. The reversal of 70408224 is 42280407.

It is an interprime number because it is at equal distance from previous prime (70408207) and next prime (70408241).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14272 + ... + 18560.

It is an arithmetic number, because the mean of its divisors is an integer number (2252250).

Almost surely, 2^70408224 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 70408224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108108000).

70408224 is an abundant number, since it is smaller than the sum of its proper divisors (145807776).

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

70408224 is a wasteful number, since it uses less digits than its factorization.

70408224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70408224 is about 8390.9608508204. The cubic root of 70408224 is about 412.9281241013.

The spelling of 70408224 in words is "seventy million, four hundred eight thousand, two hundred twenty-four".