70944225 has 48 divisors (see below), whose sum is σ = 129259584. Its totient is φ = 34048000.

The previous prime is 70944191. The next prime is 70944241. The reversal of 70944225 is 52244907.

It is not a de Polignac number, because 70944225 - 2⁶ = 70944161 is a prime.

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

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, 92845 + ... + 93605.

It is an arithmetic number, because the mean of its divisors is an integer number (2692908).

Almost surely, 2^70944225 is an apocalyptic number.

70944225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70944225 is a deficient number, since it is larger than the sum of its proper divisors (58315359).

70944225 is a wasteful number, since it uses less digits than its factorization.

70944225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70944225 is about 8422.8394855892. The cubic root of 70944225 is about 413.9733173776.

The spelling of 70944225 in words is "seventy million, nine hundred forty-four thousand, two hundred twenty-five".