1623274072 has 32 divisors (see below), whose sum is σ = 3598394400. Its totient is φ = 671698944.

The previous prime is 1623274039. The next prime is 1623274073. The reversal of 1623274072 is 2704723261.

It is a super-2 number, since 2×1623274072² = 5270037425654922368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623274073) 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 7 ways as a sum of consecutive naturals, for example, 498153 + ... + 501400.

It is an arithmetic number, because the mean of its divisors is an integer number (112449825).

Almost surely, 2^1623274072 is an apocalyptic number.

It is an amenable number.

1623274072 is an abundant number, since it is smaller than the sum of its proper divisors (1975120328).

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

1623274072 is a wasteful number, since it uses less digits than its factorization.

1623274072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999595 (or 999591 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1623274072 is about 40289.8755520540. The cubic root of 1623274072 is about 1175.2509672464.

The spelling of 1623274072 in words is "one billion, six hundred twenty-three million, two hundred seventy-four thousand, seventy-two".