67970949 has 4 divisors (see below), whose sum is σ = 90627936. Its totient is φ = 45313964.

The previous prime is 67970939. The next prime is 67970953. The reversal of 67970949 is 94907976.

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.

It is a cyclic number.

It is not a de Polignac number, because 67970949 - 2⁷ = 67970821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67970909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11328489 + ... + 11328494.

It is an arithmetic number, because the mean of its divisors is an integer number (22656984).

Almost surely, 2^67970949 is an apocalyptic number.

It is an amenable number.

67970949 is a deficient number, since it is larger than the sum of its proper divisors (22656987).

67970949 is a wasteful number, since it uses less digits than its factorization.

67970949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22656986.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 67970949 is about 8244.4495874497. The cubic root of 67970949 is about 408.1073763425.

The spelling of 67970949 in words is "sixty-seven million, nine hundred seventy thousand, nine hundred forty-nine".