45774072 has 40 divisors (see below), whose sum is σ = 128211600. Its totient is φ = 15257808.

The previous prime is 45774061. The next prime is 45774077. The reversal of 45774072 is 27047754.

It is a happy number.

It is a super-2 number, since 2×45774072² = 4190531334922368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45774077) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34672 + ... + 35967.

It is an arithmetic number, because the mean of its divisors is an integer number (3205290).

Almost surely, 2^45774072 is an apocalyptic number.

It is an amenable number.

45774072 is an abundant number, since it is smaller than the sum of its proper divisors (82437528).

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

45774072 is a wasteful number, since it uses less digits than its factorization.

45774072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70657 (or 70644 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 45774072 is about 6765.6538486683. The cubic root of 45774072 is about 357.7172220539.

It can be divided in two parts, 4577 and 4072, that added together give a square (8649 = 93²).

The spelling of 45774072 in words is "forty-five million, seven hundred seventy-four thousand, seventy-two".