70531092 has 18 divisors (see below), whose sum is σ = 178287018. Its totient is φ = 23510352.

The previous prime is 70531091. The next prime is 70531099. The reversal of 70531092 is 29013507.

It can be written as a sum of positive squares in only one way, i.e., 44275716 + 26255376 = 6654^2 + 5124^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70531091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 979563 + ... + 979634.

Almost surely, 2^70531092 is an apocalyptic number.

It is an amenable number.

70531092 is an abundant number, since it is smaller than the sum of its proper divisors (107755926).

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

70531092 is a wasteful number, since it uses less digits than its factorization.

70531092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959207 (or 1959202 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 70531092 is about 8398.2791094366. The cubic root of 70531092 is about 413.1681820844.

Adding to 70531092 its reverse (29013507), we get a palindrome (99544599).

The spelling of 70531092 in words is "seventy million, five hundred thirty-one thousand, ninety-two".