29770972 has 48 divisors (see below), whose sum is σ = 65463552. Its totient is φ = 11508480.

The previous prime is 29770969. The next prime is 29770991. The reversal of 29770972 is 27907792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49908 + ... + 50500.

It is an arithmetic number, because the mean of its divisors is an integer number (1363824).

Almost surely, 2^29770972 is an apocalyptic number.

29770972 is a gapful number since it is divisible by the number (22) 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 29770972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32731776).

29770972 is an abundant number, since it is smaller than the sum of its proper divisors (35692580).

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

29770972 is a wasteful number, since it uses less digits than its factorization.

29770972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 29770972 is about 5456.2782187128. The cubic root of 29770972 is about 309.9305151237.

The spelling of 29770972 in words is "twenty-nine million, seven hundred seventy thousand, nine hundred seventy-two".