29157340 has 12 divisors (see below), whose sum is σ = 61230456. Its totient is φ = 11662928.

The previous prime is 29157313. The next prime is 29157347. The reversal of 29157340 is 4375192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29157347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728914 + ... + 728953.

It is an arithmetic number, because the mean of its divisors is an integer number (5102538).

Almost surely, 2^29157340 is an apocalyptic number.

29157340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29157340 is an abundant number, since it is smaller than the sum of its proper divisors (32073116).

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

29157340 is a wasteful number, since it uses less digits than its factorization.

29157340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457876 (or 1457874 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 29157340 is about 5399.7536980866. The cubic root of 29157340 is about 307.7863109896.

The spelling of 29157340 in words is "twenty-nine million, one hundred fifty-seven thousand, three hundred forty".