1672779974 has 24 divisors (see below), whose sum is σ = 2669654808. Its totient is φ = 785949440.

The previous prime is 1672779971. The next prime is 1672779989. The reversal of 1672779974 is 4799772761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672779971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437957 + ... + 441759.

It is an arithmetic number, because the mean of its divisors is an integer number (111235617).

Almost surely, 2^1672779974 is an apocalyptic number.

1672779974 is a deficient number, since it is larger than the sum of its proper divisors (996874834).

1672779974 is a wasteful number, since it uses less digits than its factorization.

1672779974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 4583 counting only the distinct ones).

The product of its digits is 9335088, while the sum is 59.

The square root of 1672779974 is about 40899.6329323382. The cubic root of 1672779974 is about 1187.0789581599.

The spelling of 1672779974 in words is "one billion, six hundred seventy-two million, seven hundred seventy-nine thousand, nine hundred seventy-four".