70909546 has 8 divisors (see below), whose sum is σ = 107862624. Its totient is φ = 34955340.

The previous prime is 70909543. The next prime is 70909571. The reversal of 70909546 is 64590907.

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

It is a super-2 number, since 2×70909546² = 10056327427852232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70909499 and 70909508.

It is not an unprimeable number, because it can be changed into a prime (70909543) 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, 249540 + ... + 249823.

It is an arithmetic number, because the mean of its divisors is an integer number (13482828).

Almost surely, 2^70909546 is an apocalyptic number.

70909546 is a deficient number, since it is larger than the sum of its proper divisors (36953078).

70909546 is a wasteful number, since it uses less digits than its factorization.

70909546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499436.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 70909546 is about 8420.7806051458. The cubic root of 70909546 is about 413.9058534861.

The spelling of 70909546 in words is "seventy million, nine hundred nine thousand, five hundred forty-six".