3474572640 has 192 divisors, whose sum is σ = 13645739520. Its totient is φ = 721981440.

The previous prime is 3474572603. The next prime is 3474572641. The reversal of 3474572640 is 462754743.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3474572592 and 3474572601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3474572641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10045 + ... + 83964.

It is an arithmetic number, because the mean of its divisors is an integer number (71071560).

Almost surely, 2^3474572640 is an apocalyptic number.

3474572640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3474572640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6822869760).

3474572640 is an abundant number, since it is smaller than the sum of its proper divisors (10171166880).

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

3474572640 is a wasteful number, since it uses less digits than its factorization.

3474572640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94045 (or 94037 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The square root of 3474572640 is about 58945.5056810950. The cubic root of 3474572640 is about 1514.6087630295.

The spelling of 3474572640 in words is "three billion, four hundred seventy-four million, five hundred seventy-two thousand, six hundred forty".