1772465625 has 96 divisors (see below), whose sum is σ = 3752259840. Its totient is φ = 810000000.

The previous prime is 1772465599. The next prime is 1772465627. The reversal of 1772465625 is 5265642771.

1772465625 is a `hidden beast` number, since 17 + 7 + 2 + 4 + 6 + 5 + 625 = 666.

It is not a de Polignac number, because 1772465625 - 2¹⁶ = 1772400089 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1772465627) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 589125 + ... + 592125.

It is an arithmetic number, because the mean of its divisors is an integer number (39086040).

Almost surely, 2^1772465625 is an apocalyptic number.

1772465625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1772465625 is an abundant number, since it is smaller than the sum of its proper divisors (1979794215).

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

1772465625 is an frugal number, since it uses more digits than its factorization.

1772465625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042 (or 3016 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 1772465625 is about 42100.6606242705. The cubic root of 1772465625 is about 1210.2059219692.

The spelling of 1772465625 in words is "one billion, seven hundred seventy-two million, four hundred sixty-five thousand, six hundred twenty-five".