70722452 has 6 divisors (see below), whose sum is σ = 123764298. Its totient is φ = 35361224.

The previous prime is 70722437. The next prime is 70722467. The reversal of 70722452 is 25422707.

It is an interprime number because it is at equal distance from previous prime (70722437) and next prime (70722467).

It can be written as a sum of positive squares in only one way, i.e., 59660176 + 11062276 = 7724^2 + 3326^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8840303 + ... + 8840310.

It is an arithmetic number, because the mean of its divisors is an integer number (20627383).

Almost surely, 2^70722452 is an apocalyptic number.

It is an amenable number.

70722452 is a deficient number, since it is larger than the sum of its proper divisors (53041846).

70722452 is a wasteful number, since it uses less digits than its factorization.

70722452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17680617 (or 17680615 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 70722452 is about 8409.6642025708. The cubic root of 70722452 is about 413.5415042849.

The spelling of 70722452 in words is "seventy million, seven hundred twenty-two thousand, four hundred fifty-two".