70529249 has 8 divisors (see below), whose sum is σ = 81971520. Its totient is φ = 59428656.

The previous prime is 70529219. The next prime is 70529269. The reversal of 70529249 is 94292507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70529249 - 2²⁰ = 69480673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70529219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84974 + ... + 85799.

It is an arithmetic number, because the mean of its divisors is an integer number (10246440).

Almost surely, 2^70529249 is an apocalyptic number.

It is an amenable number.

70529249 is a deficient number, since it is larger than the sum of its proper divisors (11442271).

70529249 is a wasteful number, since it uses less digits than its factorization.

70529249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170839.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 70529249 is about 8398.1693838598. The cubic root of 70529249 is about 413.1645833141.

The spelling of 70529249 in words is "seventy million, five hundred twenty-nine thousand, two hundred forty-nine".