1572720672490 has 32 divisors (see below), whose sum is σ = 3088341898560. Its totient is φ = 571881686400.

The previous prime is 1572720672487. The next prime is 1572720672493. The reversal of 1572720672490 is 942760272751.

It is an interprime number because it is at equal distance from previous prime (1572720672487) and next prime (1572720672493).

It is not an unprimeable number, because it can be changed into a prime (1572720672493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3937705 + ... + 4318675.

It is an arithmetic number, because the mean of its divisors is an integer number (96510684330).

Almost surely, 2^{1572720672490} is an apocalyptic number.

1572720672490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1572720672490 is a deficient number, since it is larger than the sum of its proper divisors (1515621226070).

1572720672490 is a wasteful number, since it uses less digits than its factorization.

1572720672490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418518.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 1572720672490 in words is "one trillion, five hundred seventy-two billion, seven hundred twenty million, six hundred seventy-two thousand, four hundred ninety".