70449077 has 4 divisors (see below), whose sum is σ = 70556640. Its totient is φ = 70341516.

The previous prime is 70449061. The next prime is 70449079. The reversal of 70449077 is 77094407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77094407 = 13 ⋅5930339.

It is a cyclic number.

It is not a de Polignac number, because 70449077 - 2⁴ = 70449061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70449077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70449079) 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, 52793 + ... + 54110.

It is an arithmetic number, because the mean of its divisors is an integer number (17639160).

Almost surely, 2^70449077 is an apocalyptic number.

It is an amenable number.

70449077 is a deficient number, since it is larger than the sum of its proper divisors (107563).

70449077 is a wasteful number, since it uses less digits than its factorization.

70449077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107562.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 70449077 is about 8393.3948435660. The cubic root of 70449077 is about 413.0079731589.

The spelling of 70449077 in words is "seventy million, four hundred forty-nine thousand, seventy-seven".