70539249 has 12 divisors (see below), whose sum is σ = 103380368. Its totient is φ = 42750840.

The previous prime is 70539187. The next prime is 70539251. The reversal of 70539249 is 94293507.

It is not a de Polignac number, because 70539249 - 2⁷ = 70539121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70539289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96799 + ... + 97524.

Almost surely, 2^70539249 is an apocalyptic number.

It is an amenable number.

70539249 is a deficient number, since it is larger than the sum of its proper divisors (32841119).

70539249 is a wasteful number, since it uses less digits than its factorization.

70539249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194348 (or 194337 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 70539249 is about 8398.7647306018. The cubic root of 70539249 is about 413.1841092585.

The spelling of 70539249 in words is "seventy million, five hundred thirty-nine thousand, two hundred forty-nine".