70772549 has 8 divisors (see below), whose sum is σ = 74607840. Its totient is φ = 66948336.

The previous prime is 70772531. The next prime is 70772563. The reversal of 70772549 is 94527707.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70772549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70772509) 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, 12587 + ... + 17319.

It is an arithmetic number, because the mean of its divisors is an integer number (9325980).

Almost surely, 2^70772549 is an apocalyptic number.

It is an amenable number.

70772549 is a deficient number, since it is larger than the sum of its proper divisors (3835291).

70772549 is a wasteful number, since it uses less digits than its factorization.

70772549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 70772549 is about 8412.6422127653. The cubic root of 70772549 is about 413.6391267434.

The spelling of 70772549 in words is "seventy million, seven hundred seventy-two thousand, five hundred forty-nine".