70695549 has 6 divisors (see below), whose sum is σ = 102115806. Its totient is φ = 47130360.

The previous prime is 70695509. The next prime is 70695553. The reversal of 70695549 is 94559607.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 14175225 = 7518^2 + 3765^2 .

It is not a de Polignac number, because 70695549 - 2¹⁶ = 70630013 is a prime.

It is a super-4 number, since 4×70695549⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70695509) 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, 3927522 + ... + 3927539.

It is an arithmetic number, because the mean of its divisors is an integer number (17019301).

Almost surely, 2^70695549 is an apocalyptic number.

It is an amenable number.

70695549 is a deficient number, since it is larger than the sum of its proper divisors (31420257).

70695549 is a wasteful number, since it uses less digits than its factorization.

70695549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855067 (or 7855064 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 70695549 is about 8408.0645216364. The cubic root of 70695549 is about 413.4890602222.

The spelling of 70695549 in words is "seventy million, six hundred ninety-five thousand, five hundred forty-nine".