1672402572 has 96 divisors (see below), whose sum is σ = 4585280000. Its totient is φ = 525673152.

The previous prime is 1672402481. The next prime is 1672402621. The reversal of 1672402572 is 2752042761.

It is a happy number.

1672402572 is a `hidden beast` number, since 1 + 67 + 24 + 0 + 2 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468129 + ... + 471687.

Almost surely, 2^1672402572 is an apocalyptic number.

1672402572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672402572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2292640000).

1672402572 is an abundant number, since it is smaller than the sum of its proper divisors (2912877428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672402572 is a wasteful number, since it uses less digits than its factorization.

1672402572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1672402572 is about 40895.0189142883. The cubic root of 1672402572 is about 1186.9896777054.

The spelling of 1672402572 in words is "one billion, six hundred seventy-two million, four hundred two thousand, five hundred seventy-two".