619972 has 24 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 292320.

The previous prime is 619967. The next prime is 619979. The reversal of 619972 is 279916.

619972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (619979) 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, 8697 + ... + 8767.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁶¹⁹⁹⁷² is an apocalyptic number.

It is an amenable number.

619972 is a deficient number, since it is larger than the sum of its proper divisors (529148).

619972 is a wasteful number, since it uses less digits than its factorization.

619972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 619972 is about 787.3830071827. The cubic root of 619972 is about 85.2689061762.

The spelling of 619972 in words is "six hundred nineteen thousand, nine hundred seventy-two".