746642020 has 12 divisors (see below), whose sum is σ = 1567948284. Its totient is φ = 298656800.

The previous prime is 746642003. The next prime is 746642051. The reversal of 746642020 is 20246647.

It can be written as a sum of positive squares in 2 ways, for example, as 597215844 + 149426176 = 24438^2 + 12224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18666031 + ... + 18666070.

It is an arithmetic number, because the mean of its divisors is an integer number (130662357).

Almost surely, 2^746642020 is an apocalyptic number.

It is an amenable number.

746642020 is an abundant number, since it is smaller than the sum of its proper divisors (821306264).

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

746642020 is a wasteful number, since it uses less digits than its factorization.

746642020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37332110 (or 37332108 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 746642020 is about 27324.7510510160. The cubic root of 746642020 is about 907.2022999821.

Adding to 746642020 its reverse (20246647), we get a palindrome (766888667).

It can be divided in two parts, 7466420 and 20, that multiplied together give a square (149328400 = 12220²).

The spelling of 746642020 in words is "seven hundred forty-six million, six hundred forty-two thousand, twenty".