70725092 has 12 divisors (see below), whose sum is σ = 129150336. Its totient is φ = 33825000.

The previous prime is 70725091. The next prime is 70725097. The reversal of 70725092 is 29052707.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70725091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384284 + ... + 384467.

It is an arithmetic number, because the mean of its divisors is an integer number (10762528).

Almost surely, 2^70725092 is an apocalyptic number.

It is an amenable number.

70725092 is a deficient number, since it is larger than the sum of its proper divisors (58425244).

70725092 is a wasteful number, since it uses less digits than its factorization.

70725092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768778 (or 768776 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 70725092 is about 8409.8211633780. The cubic root of 70725092 is about 413.5466499209.

Adding to 70725092 its reverse (29052707), we get a palindrome (99777799).

The spelling of 70725092 in words is "seventy million, seven hundred twenty-five thousand, ninety-two".