3229747740 has 36 divisors (see below), whose sum is σ = 9796902024. Its totient is φ = 861266016.

The previous prime is 3229747727. The next prime is 3229747747. The reversal of 3229747740 is 477479223.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3229747747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8971342 + ... + 8971701.

Almost surely, 2^3229747740 is an apocalyptic number.

3229747740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3229747740 is an abundant number, since it is smaller than the sum of its proper divisors (6567154284).

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

3229747740 is a wasteful number, since it uses less digits than its factorization.

3229747740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943058 (or 17943053 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 3229747740 is about 56830.8696044676. The cubic root of 3229747740 is about 1478.1648394639.

The spelling of 3229747740 in words is "three billion, two hundred twenty-nine million, seven hundred forty-seven thousand, seven hundred forty".