3721321454 has 32 divisors (see below), whose sum is σ = 5992310016. Its totient is φ = 1727090560.

The previous prime is 3721321451. The next prime is 3721321469. The reversal of 3721321454 is 4541231273.

It is a self number, because there is not a number n which added to its sum of digits gives 3721321454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721321451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741317 + ... + 746319.

It is an arithmetic number, because the mean of its divisors is an integer number (187259688).

Almost surely, 2^3721321454 is an apocalyptic number.

3721321454 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3721321454 is a deficient number, since it is larger than the sum of its proper divisors (2270988562).

3721321454 is a wasteful number, since it uses less digits than its factorization.

3721321454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320.

The product of its digits is 20160, while the sum is 32.

The square root of 3721321454 is about 61002.6348119489. The cubic root of 3721321454 is about 1549.6456288731.

The spelling of 3721321454 in words is "three billion, seven hundred twenty-one million, three hundred twenty-one thousand, four hundred fifty-four".