4007220734 has 16 divisors (see below), whose sum is σ = 6590563056. Its totient is φ = 1812216000.

The previous prime is 4007220709. The next prime is 4007220761. The reversal of 4007220734 is 4370227004.

It is a junction number, because it is equal to n+sod(n) for n = 4007220697 and 4007220706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457967 + ... + 466634.

It is an arithmetic number, because the mean of its divisors is an integer number (411910191).

Almost surely, 2^4007220734 is an apocalyptic number.

4007220734 is a deficient number, since it is larger than the sum of its proper divisors (2583342322).

4007220734 is a wasteful number, since it uses less digits than its factorization.

4007220734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924811.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 4007220734 is about 63302.6123789532. The cubic root of 4007220734 is about 1588.3556611791.

Adding to 4007220734 its reverse (4370227004), we get a palindrome (8377447738).

It can be divided in two parts, 40072 and 20734, that added together give a palindrome (60806).

The spelling of 4007220734 in words is "four billion, seven million, two hundred twenty thousand, seven hundred thirty-four".