29425972 has 6 divisors (see below), whose sum is σ = 51495458. Its totient is φ = 14712984.

The previous prime is 29425943. The next prime is 29426009. The reversal of 29425972 is 27952492.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 2944656 = 5146^2 + 1716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3678243 + ... + 3678250.

Almost surely, 2^29425972 is an apocalyptic number.

It is an amenable number.

29425972 is a deficient number, since it is larger than the sum of its proper divisors (22069486).

29425972 is a wasteful number, since it uses less digits than its factorization.

29425972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356497 (or 7356495 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 29425972 is about 5424.5711351221. The cubic root of 29425972 is about 308.7286537499.

The spelling of 29425972 in words is "twenty-nine million, four hundred twenty-five thousand, nine hundred seventy-two".