70725332 has 6 divisors (see below), whose sum is σ = 123769338. Its totient is φ = 35362664.

The previous prime is 70725323. The next prime is 70725337. The reversal of 70725332 is 23352707.

It can be written as a sum of positive squares in only one way, i.e., 60777616 + 9947716 = 7796^2 + 3154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70725295 and 70725304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70725337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8840663 + ... + 8840670.

It is an arithmetic number, because the mean of its divisors is an integer number (20628223).

Almost surely, 2^70725332 is an apocalyptic number.

It is an amenable number.

70725332 is a deficient number, since it is larger than the sum of its proper divisors (53044006).

70725332 is a wasteful number, since it uses less digits than its factorization.

70725332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681337 (or 17681335 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 70725332 is about 8409.8354323970. The cubic root of 70725332 is about 413.5471176996.

The spelling of 70725332 in words is "seventy million, seven hundred twenty-five thousand, three hundred thirty-two".